build: Add async chunk names (#2170)

app/components/Editor.js

@@ -15,7 +15,9 @@ import { isModKey } from "utils/keyboard";
 import { uploadFile } from "utils/uploadFile";
 import { isInternalUrl } from "utils/urls";
 
-const RichMarkdownEditor = React.lazy(() => import("rich-markdown-editor"));
+const RichMarkdownEditor = React.lazy(() =>
+  import(/* webpackChunkName: "rich-markdown-editor" */ "rich-markdown-editor")
+);
 
 const EMPTY_ARRAY = [];
 

app/components/IconPicker.js

@@ -32,7 +32,10 @@ import NudeButton from "components/NudeButton";
 const style = { width: 30, height: 30 };
 
 const TwitterPicker = React.lazy(() =>
-  import("react-color/lib/components/twitter/Twitter")
+  import(
+    /* webpackChunkName: "twitter-picker" */
+    "react-color/lib/components/twitter/Twitter"
+  )
 );
 
 export const icons = {

app/components/Time.js

@@ -2,7 +2,9 @@
 import distanceInWordsToNow from "date-fns/distance_in_words_to_now";
 import * as React from "react";
 
-const LocaleTime = React.lazy(() => import("components/LocaleTime"));
+const LocaleTime = React.lazy(() =>
+  import(/* webpackChunkName: "locale-time" */ "components/LocaleTime")
+);
 
 type Props = {
   dateTime: string,